<template>
  <div>
    <vxe-notice-bar loop content="温馨提示：当使用服务端保存和恢复时，只要确保数据结构式正确的，就可以实现多种方式数据保存，比如：调用后端接口、使用 localStorage、使用 indexedDB 等任意方式"></vxe-notice-bar>
    <vxe-grid v-bind="gridOptions"></vxe-grid>
  </div>
</template>

<script lang="ts">
import Vue from 'vue'
import { VxeUI, VxeGridProps, VxeTableDefines } from 'vxe-table'

interface RowVO {
  id: number
  name: string
  role: string
  sex: string
  age: number
  address: string
}

// 模拟查询接口
const findCustomSetting = (id: string) => {
  return new Promise<VxeTableDefines.CustomStoreData>(resolve => {
    setTimeout(() => {
      try {
        if (sessionStorage.getItem(id)) {
          resolve(JSON.parse(sessionStorage.getItem(id) || '') as VxeTableDefines.CustomStoreData)
          VxeUI.modal.message({
            status: 'success',
            content: '异步还原用户个性化数据成功'
          })
        } else {
          resolve({})
        }
      } catch (e) {
        resolve({})
      }
    }, 500)
  })
}

// 模拟保存接口
const saveCustomSetting = (id: string, storeData: VxeTableDefines.CustomStoreData) => {
  return new Promise<void>(resolve => {
    setTimeout(() => {
      console.log(storeData)
      sessionStorage.setItem(id, JSON.stringify(storeData))
      VxeUI.modal.message({
        status: 'success',
        content: '保存用户个性化数据成功'
      })
      resolve()
    }, 200)
  })
}

export default Vue.extend({
  data () {
    const gridOptions: VxeGridProps<RowVO> = {
      id: 'myCustomUpdate1',
      toolbarConfig: {
        custom: true
      },
      customConfig: {
        storage: true,
        restoreStore ({ id }) {
          return findCustomSetting(id)
        },
        updateStore ({ id, storeData }) {
          // 模拟异步，实现服务端保存
          return saveCustomSetting(id, storeData)
        }
      },
      columns: [
        { type: 'seq', width: 70 },
        { field: 'name', title: 'Name' },
        { field: 'sex', title: 'Sex' },
        { field: 'age', title: 'Age' }
      ],
      data: [
        { id: 10001, name: 'Test1', role: 'Develop', sex: 'Man', age: 28, address: 'test abc' },
        { id: 10002, name: 'Test2', role: 'Test', sex: 'Women', age: 22, address: 'Guangzhou' },
        { id: 10003, name: 'Test3', role: 'PM', sex: 'Man', age: 32, address: 'Shanghai' },
        { id: 10004, name: 'Test4', role: 'Designer', sex: 'Women', age: 24, address: 'Shanghai' }
      ]
    }

    return {
      gridOptions
    }
  }
})
</script>
